10 Open Stock Sakura Pigma Micron 08 PEN 0.50mm - Red Ink 10 brand new sakura pigma micron 08 pens: Ink Coloe RED INK micron 08 has a .05mm line width Archival quality ink for use in acid-free environments Chemically stable, waterproof, and fade resistant No smears, feathers, or bleed-through on most papers technical and artistic applications.